ST1331 is (ST1331/1333/1353) 6-Contact Memory Card IC 272-bit EEPROM manufactured by STMicroelectronics.
| Part Number | Description |
|---|---|
| ST1333 | (ST1331/1333/1353) 6-Contact Memory Card IC 272-bit EEPROM |
| ST1335 | (ST1335/13361355) 5-Contact Memory Card IC 272-bit EEPROM |
| ST1335D | (ST1335D / ST1336D / ST1355D) 5-Contact Memory Card IC 272-bit EEPROM |
| ST1336 | (ST1335/13361355) 5-Contact Memory Card IC 272-bit EEPROM |
| ST1336D | (ST1335D / ST1336D / ST1355D) 5-Contact Memory Card IC 272-bit EEPROM |
The members of the ST1331/1333/1353 family are principally designed for use in prepaid Phonecard applications. Each is a 272-bit EEPROM device, with associated security logic and special fuses to control memory access. The memory is arranged as a matrix of 34 x 8 cells, accessed in a serial bitwise fashion for reading and programming, and in Table.
